Fig. 3From: Hypoxic preconditioning of human urine-derived stem cell-laden small intestinal submucosa enhances wound healing potentialGene expression and growth factor secretion of the SIS+USC composites. a, b Gene expression of the SIS+USC composites; *p < 0.05. c Growth factor secretion of the SIS+USC composites; *p < 0.05Back to article page